static inline ArrowErrorCode ArrowArrayFinishElement()

in src/nanoarrow/array_inline.h [610:656]
43 lines of code
11 McCabe index (conditional complexity)

static inline ArrowErrorCode ArrowArrayFinishElement(struct ArrowArray* array) {
  struct ArrowArrayPrivateData* private_data =
      (struct ArrowArrayPrivateData*)array->private_data;

  int64_t child_length;

  switch (private_data->storage_type) {
    case NANOARROW_TYPE_LIST:
    case NANOARROW_TYPE_MAP:
      child_length = array->children[0]->length;
      if (child_length > INT32_MAX) {
        return EINVAL;
      }
      NANOARROW_RETURN_NOT_OK(
          ArrowBufferAppendInt32(ArrowArrayBuffer(array, 1), (int32_t)child_length));
      break;
    case NANOARROW_TYPE_LARGE_LIST:
      child_length = array->children[0]->length;
      NANOARROW_RETURN_NOT_OK(
          ArrowBufferAppendInt64(ArrowArrayBuffer(array, 1), child_length));
      break;
    case NANOARROW_TYPE_FIXED_SIZE_LIST:
      child_length = array->children[0]->length;
      if (child_length !=
          ((array->length + 1) * private_data->layout.child_size_elements)) {
        return EINVAL;
      }
      break;
    case NANOARROW_TYPE_STRUCT:
      for (int64_t i = 0; i < array->n_children; i++) {
        child_length = array->children[i]->length;
        if (child_length != (array->length + 1)) {
          return EINVAL;
        }
      }
      break;
    default:
      return EINVAL;
  }

  if (private_data->bitmap.buffer.data != NULL) {
    NANOARROW_RETURN_NOT_OK(ArrowBitmapAppend(ArrowArrayValidityBitmap(array), 1, 1));
  }

  array->length++;
  return NANOARROW_OK;
}